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A child bolts upright screaming, eyes wide open, cannot be comforted, and by morning has no memory that any of it happened. Or you wake at 3am with your heart pounding from a dream that replayed something you thought you had already worked through. Nightmares and night terrors look different depending on who is experiencing them, but underneath both is a nervous system trying to process something, whether that is the ordinary business of a busy day or something older and unfinished.
If you are a parent standing in a dark hallway wondering what to do, or an adult whose sleep keeps circling back to old fear, there is a reason this keeps happening, and there are real ways to work with and resolve this, rather than simply endure it.
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When Sleep Becomes a Battleground for the Nervous System
Sleep is not a passive shutdown. It is one of the most active periods for the brain, particularly during REM sleep, when the mind sorts through the day’s experiences and files them alongside older memories. For most people this filing process runs in the background, but for a hypervigilant nervous system that may still be carrying unresolved trauma, that same process can become the exact moment when old material resurfaces, sometimes as a literal replay and sometimes in a symbolic, distorted form.
This is true for a five year old who has never been formally diagnosed with anything and for a forty year old executive who looks composed all day and unravels at night. The body does not distinguish neatly between one large frightening event and the slow accumulation of smaller overwhelming experiences. Whatever the nervous system has not had a chance to complete or resolve during waking hours tends to surface once the conscious mind steps back and sleep takes over.
Night Terrors in Children: What Parents Need to Know
Night terrors and nightmares are not the same thing, even though parents often use the words interchangeably. A nightmare happens during REM sleep, and a child usually wakes up frightened, remembers at least parts of the dream, and can be soothed. A night terror happens during deep non-REM sleep, and looks far more alarming as a child may scream, sit up, thrash, or even walk around with their eyes open, all while remaining mostly asleep and unreachable. In the morning, they typically have no memory of it at all.
Night terrors are common in children roughly between the ages of three and twelve, and in many cases they are not evidence of trauma. Overtiredness, a shifted sleep schedule, illness, or a growing nervous system that has not yet matured its sleep architecture can all be enough to trigger them. That said, when night terrors are frequent, intensify after a specific event, or appear alongside daytime anxiety, clinginess, or regression, it is worth paying closer attention to what else might be going on for your child.
The most helpful thing a parent can do in the moment is resist the urge to wake the child fully, since waking someone mid-terror can prolong the confusion and distress. Instead, stay close, keep your voice low and steady, and make sure the environment is physically safe until the episode passes on its own. If night terrors are becoming a regular pattern, working with a therapist who understands child development and trauma can help you and your child figure out and resolve what the nervous system is working through.
When Nightmares Follow Into Adulthood
Plenty of adults who function well by every outward measure still find their sleep hijacked by dreams that circle back to the same handful of themes: being chased, being unable to speak or move, witnessing harm, or reliving something specific from years or decades earlier. For women who have spent their careers being the reliable one, the high performer, the person everyone leans on, this pattern can feel especially disorienting. The nights are the one place that competence and control cannot reach.
Recurring nightmares tied to past trauma are often the nervous system’s attempt to finish something that got interrupted the first time. A trauma memory that was never fully processed does not simply fade the way an ordinary memory does over the years, and can remain stuck in a kind of unfiled state as it still carries the same emotional charge it had on the day it happened. The dreaming mind likes to keep returning to it, trying and failing to resolve it on its own.
What Actually Helps: EMDR, Somatic Work, and Practical Tools
For adults carrying recurring nightmares, EMDR gives the brain and body a structured way to process the original memory so it stops resurfacing with the same intensity. Somatic work complements this by helping you build a felt sense of safety in your body during waking hours, which naturally influences how your nervous system settles at night. Simple tools like a consistent wind-down routine, dimming screens an hour before bed, and a short grounding practice, such as noticing five things you can see or feel in the room, can all support a nervous system that is trying to learn the difference between old danger and present safety.
For children, one of the most effective interventions is co-regulation: a calm, present parent helps a child’s nervous system borrow that calm until it can hold its own. When terrors or nightmares persist, a trauma-informed child therapist can work with your child using age-appropriate, play-based methods, and can help you understand what is developmentally typical versus what may need more focused support. You can learn more about our team‘s approach and background on our about page.
Frequently Asked Questions
What is the difference between a nightmare and a night terror?
A nightmare happens during REM sleep and the person usually wakes up, remembers the dream, and can be comforted. A night terror happens during deep non-REM sleep, and the person remains mostly asleep during the episode, often with no memory of it the next morning.
Are night terrors in children always a sign of trauma?
No. Night terrors are common in young children and are frequently linked to overtiredness, illness, or a developing sleep system rather than trauma. Frequent or intensifying terrors alongside other changes in behaviour are worth exploring further with a professional.
Why do adults get recurring nightmares connected to past trauma?
A trauma memory that has not been fully processed can stay stored with its original emotional charge intact. The nervous system continues trying to resolve it, and this often shows up as the same nightmare or theme returning again and again.
Can therapy actually change what happens in dreams?
Yes. Many clients notice that once a memory has been processed through EMDR or somatic work, the related nightmares decrease in frequency and intensity, and sometimes stop altogether, because the nervous system no longer treats the memory as an active threat.
What should a parent do in the moment during a child’s night terror?
Stay close, keep the environment safe, and avoid trying to fully wake your child. Speaking in a low, steady voice and waiting it out is usually more effective than trying to shake them awake, which can prolong the distress.
When should nightmares or night terrors prompt a call to a therapist?
If episodes are frequent, worsening, tied to a specific event, or accompanied by daytime anxiety, avoidance, or other signs of distress, whether in a child or an adult, it is worth reaching out to a trauma-informed therapist for support.
Ready to Sleep Easier?
Whether it is your child’s night terrors or your own recurring nightmares keeping you up, you do not have to figure this out on your own. Book a free 20-minute consultation with one of our trauma-informed therapists and let us help you find your way back to restful, safe sleep.